參數(shù)資料
型號(hào)： MB90676
廠(chǎng)商： Fujitsu Limited
英文描述： 16-Bit Proprietary Microcontroller(16位專(zhuān)用微控制器)
中文描述： 16位微控制器專(zhuān)利（16位專(zhuān)用微控制器）
文件頁(yè)數(shù)： 87/111頁(yè)
文件大?。?/td> 736K
代理商： MB90676
87
MB90670/675 Series
6. A/D Converter Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
Linearity error
The deviation of the straight line connecting the zero transition point (“00 0000 0000”
“00 0000 0001”) with
the full-scale transition point (“11 1111 1110”
“11 1111 1111”) from actual conversion characteristics
Differential linearity error
The deviation of input voltage needed to change the output code by 1 LSB from the theoretical value
Total error
The difference between theoretical and actual conversion values caused by the zero transition error, full-scale
transition error, linearity error, quantization error, and noise
1LSB’ = (Theoretical value)
1024
AVRH – AVRL
V
OT
’ (Theoretical value) = AVRL
+ 0.5 LSB’ [V]
V
FST
’ (Theoretical value) = AVRH – 1.5 LSB’ [V]
V
NT
: Voltage for digital output to transit from (N –1) to N
Theoretical characteristics
Analog input
AVRL
V
value)
Actual conversion
characteristics
Total error
3FF
3FE
3FD
004
003
002
001
AVRH
Actual conversion
characteristics
V
NT
– {1 LSB’
×
(N –1) + 0.5 LSB’}
1 LSB’
0.5 LSB
’
0.5 LSB
’
[V]
{1 LSB
×
(N –1) + 0.5 LSB}
(Actual measured
D
Digital output N total error =
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